Abstract
According to statistical and survey data from 1991 to 2010 at provincial and county levels, trend of cultivated land change and its driving forces in Suzhou City during the last 20 years were discussed in this article. It was found that: since 1990s, the total area of arable land and per capita availability were reducing; as a result of the principal component analysis, the 10 driving forces of arable land were analyzed which could be classified into three types, i.e, the development of economy, social system and population and progress of science and technology in agriculture. As to the economy factors, population and social system factors were the main driving forces, which play an important role in the change of cultivated land.
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